A WORLDWIDERUNNING NETWORK SITE — YOUR INTERNATIONAL RUNNING EVENTS CALENDAR
May
23
2026
Duarte, California (United States of America) - "No One Walks Alone". A walkathon to create community and raise awareness. For those that are fighting cancer, know of someone who has fought or lost someone near and dear to cancer, put on your tennis shoes and join us as we walk together in unity to bring awareness to cancer and raise money to help top-notch research centers find a cure. On Saturday, May 23 from 10am-12 noon, meet us at the beginning of the beautiful Duarte walking trail. The entrance is located on the corner of Buena Vista and Royal Oaks Drive in the city of Duarte. You will be warmly greeted at our welcome booth, where you can grab a rock and paint it in honor of your loved one. Our welcome booth will be well stocked with hot coffee, donuts, hot cocoa, and water bottles. You can stay, paint, and chat or start the easy walk. It is a light walk with no difficult elevation areas. We would love to see you as we walk in unity to find a cure for cancer. And for those that don’t know me, here is a little info about me, the organizer. My name is Kristen and I have terminal brain cancer. Currently there is no cure. In my remaining time here I wish to help find a cure, and would be honored if you all came to support finding cures for cancer. https://go.evvnt.com/3440240-0?pid=6562
May
24
2026
Fresno, California (United States of America) - "Fresno Urban Run". Starting inside of Chukchansi Park, you will be put to the challenge of climbing every step from the bottom to the top of the stadium, followed by a run up a 6-story circular garage and then down an adjacent 6-story circular garage, proceeded by a half-mile run down Fulton Street to the Tuolumne Overpass (Urban Hill), before the final challenge, climbing 220 stairs to the top of a 10-story building, The Grand Tower, where your timing sensor will stop your clock! Overall length of the Urban Run is approx 3 Miles. All donations support The Alisa Ann Ruch Burn Foundation! https://www.adventuresignup.com/Race/CA/Fresno/FresnoUrbanRun?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt
May
30
2026
Tahoe Vista, California (United States of America) - "Tail Wagger 5K". Join the Tail Wagger 5K, a dog-friendly run/walk celebrating active lifestyles and furry friends. Leash up your pup and enjoy scenic trails, post-run refreshments, SWAG, and a lively expo. No dog? No problem! Separate starts are offered for human-only participants. This inclusive event welcomes all ages and abilities, offering a fun, engaging experience for runners, walkers, and dog lovers alike, with plenty of festive energy and local community spirit. Benefits the Pet Network Lake Tahoe. The Tail Wagger Dog-Friendly 5K is owned and operated by Big Blue Adventure. Explore the full line up of Big Blue Adventure events for Summer/Fall 2026. www.tailwagger5k.com
Jun
06
2026
San Francisco, California (United States of America) - "Run for Breast Cancer 5K / 10K / 13.1 San Francisco". Join the Fight: Breast Cancer Run! Together, we can raise awareness and funds to support those affected by breast cancer. Enjoy a spirited day filled with community, inspiration, and hope. Let's unite for a cause that touches us all and run for a future without breast cancer! Sign up now and help us make a lasting impact! https://runsignup.com/Race/CA/SanFrancisco/RunForBreastCancer5K10KSANFRANCISCO606?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt
Jun
06
2026
San Diego, California (United States of America) - "Run for Breast Cancer 5K / 10K / 13.1 San Diego". Join the Fight: Breast Cancer Run! Together, we can raise awareness and funds to support those affected by breast cancer. Enjoy a spirited day filled with community, inspiration, and hope. Let's unite for a cause that touches us all and run for a future without breast cancer! Sign up now and help us make a lasting impact! https://runsignup.com/Race/CA/SanDiego/RunForBreastCancer5K10KSANDIEGO606?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt
Jun
20
2026
Santa Clarita, California (United States of America) - "Sugar Daddy Race". Celebrate Father's Day by kicking off the weekend with an awesome race taking you on a scenic tour through the beautiful Santa Clarita Valley in a Half Marathon, 10K, 5K, or Kids race. https://sugardaddyrace.com
Jun
20
2026
Cerritos, California (United States of America) - "Orange Curtain Endurance Runs". The Orange Curtain 100 km race is a 10 kilometer out and back (repeated 10 times) along a 5 kilometer segment of asphalt and dirt bike path. www.orangecurtainrun.com
Jun
20
2026
San Francisco, California (United States of America) - "Run Juneteenth Day 5K / 10K / 13.1 San Francisco". On Juneteenth, we remember resilience, honor progress, and run toward a brighter future. Join the Juneteenth Day Run - an event that celebrates freedom, community, and the unbreakable human spirit. Let's make every mile matter. https://runsignup.com/Race/CA/SanFrancisco/RunJuneteenthDay5K10KSANFRANCISCO?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt
Jun
20
2026
San Diego, California (United States of America) - "Run Juneteenth Day 5K / 10K / 13.1 San Diego". On Juneteenth, we remember resilience, honor progress, and run toward a brighter future. Join the Juneteenth Day Run - an event that celebrates freedom, community, and the unbreakable human spirit. Let's make every mile matter. https://runsignup.com/Race/CA/SanDiego/RunJuneteenthDay5K10KSANDIEGO?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt
Jul
27
2026
Furnace Creek, California (United States of America) - "Badwater 135". Globally recognized as the world’s toughest foot race, the Badwater 135 Ultramarathon is a pure athletic challenge of athlete, shoes, and support crew versus a brutal 135-mile / 217km stretch of highway and a forty-eight hour time limit. From the start line in Death Valley to the finish line high on Mt. Whitney, this one-of-a-kind foot race offers the promise of a supremely personal achievement along with international accolades for those who rise to the occasion. Covering 135 miles (217km) non-stop from Death Valley to Mt. Whitney, CA, the Badwater® 135 is the most demanding and extreme running race offered anywhere on the planet, as well as the 135-Mile World Championship. The start line is at Badwater Basin, Death Valley, which marks the lowest elevation in North America at 280’ (85m) below sea level. The race finishes at Whitney Portal at 8,300’ (2530m), which is the trailhead to the Mt. Whitney summit, the highest point in the contiguous United States. The Badwater 135 course covers three mountain ranges for a total of 14,600’ (4450m) of cumulative vertical ascent and 6,100’ (1859m) of cumulative descent. Competitors travel through places or landmarks with names like Mushroom Rock, Furnace Creek, Salt Creek, Devil’s Cornfield, Devil’s Golf Course, Stovepipe Wells, Panamint Springs, Darwin, Keeler, Lone Pine, Alabama Hills, and the Sierra Nevada. www.badwater.com
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